The seat of the judicial branch of government (FaceMePLS, Flickr)
The nation’s highest tribunal. Justices convene October through June in public sessions. Lines form to hear whole argument (seating starts at 9:30 a.m.) or three-minute portion (seating starts at 10 a.m.). Lines re-form after lunch. Mon.-Fri. 9 a.m.-4:30 p.m. Free. When court isn’t sitting, lectures on the half-hour from 9:30 a.m.-3:30 p.m. Cafeteria, gift shop. Plaza-level entrance facilitates security checks for entry.